one error that was easy to fix is this:

change mistralai/Mistral-7B-Instruct-v0.1 to mistralai/Mistral-7B-Instruct-v0.2

but not sure whats up with this error?

ImportError Traceback (most recent call last)
in <cell line: 5>()
3 from haystack.components.preprocessors import DocumentSplitter
4 from haystack.components.rankers import TransformersSimilarityRanker
----> 5 from haystack.components.generators import GPTGenerator
6 from haystack.components.builders.prompt_builder import PromptBuilder
7 from haystack import Pipeline

ImportError: cannot import name 'GPTGenerator' from 'haystack.components.generators' (/usr/local/lib/python3.10/dist-packages/haystack/components/generators/init.py)